Siam, IA Weather Forecast and Current Conditions
Current Conditions From Nearby Station
Feels Like 22°F
at
Point Forecast at a Glance
7-Day Temperature Trend
Week Ahead Summary
High temperatures dip from 33°F to a low of 18°F mid-week, then warm to 53°F. Some snow possible with at least 2 days showing precipitation chances of 20% or higher.
Climate Context
This week's forecast shows temperatures running 3°F above the historical average for December. Normal highs for this period are around 37°F with lows around 18°F.
This Date in Weather History
1967 - From December 12th through the 20th a series of snowstorms buries Flagstaff, AZ with nearly 85 inches of snow.
Siam, IA 7 Day Weather Forecast Details
Friday Dec 12
Day: Mostly cloudy, with a high near 33. North northwest wind 6 to 11 mph, with gusts as high as 18 mph.
Night: A 20 percent chance of snow after 5am. Mostly cloudy, with a low around 14. Wind chill values as low as 5. North northwest wind 5 to 9 mph.
Saturday Dec 13
Day: A 40 percent chance of snow before noon. Mostly cloudy, with a temperature rising to near 17 by 9am, then falling to around 12 during the remainder of the day. Wind chill values as low as zero. East northeast wind 6 to 10 mph, with gusts as high as 18 mph. New snow accumulation of less than a half inch possible.
Night: Mostly clear, with a low around -1. Wind chill values as low as -10. North northwest wind 5 to 9 mph.
Sunday Dec 14
Day: Sunny, with a high near 18. Calm wind becoming south southeast around 6 mph in the afternoon.
Night: Mostly clear, with a low around 10.
Monday Dec 15
Day: Sunny, with a high near 42.
Night: Mostly clear, with a low around 23.
Tuesday Dec 16
Day: Mostly sunny, with a high near 48.
Night: Partly cloudy, with a low around 29.
Wednesday Dec 17
Day: Partly sunny, with a high near 53.
Night: Mostly cloudy, with a low around 29.
Thursday Dec 18
Day: Mostly sunny, with a high near 45.
About Siam, IA
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Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.
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